US 12,220,000 B2
Power supply unit for aerosol inhaler
Yasuhiro Ono, Tokyo (JP); Minoru Kitahara, Tokyo (JP); and Shujiro Tanaka, Tokyo (JP)
Assigned to JAPAN TOBACCO INC., Tokyo (JP)
Filed by Japan Tobacco Inc., Tokyo (JP)
Filed on Aug. 25, 2022, as Appl. No. 17/895,077.
Application 17/895,077 is a continuation of application No. 17/371,108, filed on Jul. 9, 2021, granted, now 11,445,762.
Claims priority of application No. 2020-118745 (JP), filed on Jul. 9, 2020; application No. 2020-118746 (JP), filed on Jul. 9, 2020; and application No. 2020-217704 (JP), filed on Dec. 25, 2020.
Prior Publication US 2022/0400770 A1, Dec. 22, 2022
Int. Cl. H02J 7/00 (2006.01); A24F 40/10 (2020.01); A24F 40/40 (2020.01); A24F 40/51 (2020.01); A24F 40/57 (2020.01); A24F 40/90 (2020.01); H01M 10/42 (2006.01); H01M 10/46 (2006.01); H01M 10/48 (2006.01); H01M 50/569 (2021.01); H02J 7/14 (2006.01); A24F 40/20 (2020.01); A24F 40/30 (2020.01)
CPC A24F 40/51 (2020.01) [A24F 40/10 (2020.01); A24F 40/40 (2020.01); A24F 40/57 (2020.01); A24F 40/90 (2020.01); H01M 10/425 (2013.01); H01M 10/46 (2013.01); H01M 10/486 (2013.01); H01M 50/569 (2021.01); H02J 7/0068 (2013.01); A24F 40/20 (2020.01); A24F 40/30 (2020.01); H01M 2220/30 (2013.01); H02J 2207/20 (2020.01)] 8 Claims
OG exemplary drawing
 
1. A power supply unit for an aerosol inhaler comprising:
a power supply configured to supply power to a load that atomizes an aerosol source;
a controller configured to control at least one of charging of the power supply and discharging to the load; and
a circuit board on which a plurality of elements including the controller are mounted,
wherein
the circuit board having a first portion and a second portion connected via a connection portion wherein the first portion is shorter than the second portion, and the first portion, the second portion, and the connection portion form an L-shaped surface where the plurality of elements are mounted,
a width of the first portion is defined by a first side surface and a second side surface of the first portion, and a width of the second portion is defined by a third side surface and a fourth side surface of the second portion, wherein the first side surface is continuous with a fifth side surface of the connection portion, the third side surface is continuous with a sixth side surface of the connection portion, and the second side surface and fourth side surface form an inner corner of the circuit board,
the load is arranged in a region adjacent to the inner corner of the circuit board and defined by the second side surface of the first portion and the fourth side surface of the second portion of the circuit board different from the L-shaped surface of the circuit board.